In plant cells, cytokenesis occurs when 1•spindle fibers are formed
2•the chromosome make exact copies of themselves
3•a new cell wall forms
4•osmotic pressure is too low

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.